feat: Filter cards by keyword with advanced capabilities (#713)

Closes #706

client/src/models/User.js

@@ -359,4 +359,18 @@ export default class extends BaseModel {
       },
     );
   }
+
+  static findUsersFromText(filterText, users) {
+    const selectUser = filterText.toLocaleLowerCase();
+    const matchingUsers = users.filter(
+      (user) =>
+        user.name.toLocaleLowerCase().startsWith(selectUser) ||
+        user.username.toLocaleLowerCase().startsWith(selectUser),
+    );
+    if (matchingUsers.length === 1) {
+      // Appens the user to the filter
+      return matchingUsers[0].id;
+    }
+    return null;
+  }
 }